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A PORTION OF THE SW 1/4 OF SECTION 02, T 28 N, R 04 E, W.M. <br />NUK I H <br />!_`D4TCC 47 Cl IDCAlI ll�l <br />DETENTION VAULT 1 <br />RFMIIN A <br />SCALE: 1 "=20' HORZ <br />1 "=2' VE RT <br />KNOW WHAT'S BELOW <br />CALL BEFORE YOU DIG <br />811 <br />rallbeforeyoudig.org <br />12.70 <br />DETENTION VAULT 1 CONSTRUCTION NOTES: <br />24" DIAMETER LOCKING MANHOLE FRAME AND GRATE. MARK <br />�j COVERS WITH OSHA CONFINED SPACE WARNING. <br />SEE STRUCTURAL PLANS; RIM EL PER GRADING PLAN <br />OLID PER STRUCTURAL PLANS <br />OLADDER RUNGS AT EACH ACCESS PORTAL <br />4O 6" PERIMETER FOOTING DRAIN. CONVEYANCE TO BE DETERMINED <br />OPCC FLOOR SLAB PER STRUCTURAL PLANS <br />OPROVIDE KNOCKOUTS FOR INLET AND OUTLET STORM PIPES. LOCATIONS TO BE <br />DETERMINED <br />OSTRUCTURAL WALL, TYP. SIZE AND LOCATION OF OPENINGS BY STRUCTURAL <br />ENGINEER TO BE DETERMINED. <br />O8 12" VENT HOLE, TYPICAL. <br />O24" SQUARE GRATED INLET. SEE STRUCTURAL PLANS. RIM ELEVATIONS PER <br />GRADING PLANS. <br />10 5'x10' METAL GRATED VAULT ACCESS HATCH. SET TOP OF GRATING FLUSH WITH <br />ADJACENT FINISHED GRADES. <br />NOTF- <br />1. SEE STRUCTURAL PLANS FOR ALL STRUCTURAL VAULT DETAILS. <br />INSPECTION AND TESTING <br />1. GEO-TECH SHALL BE ON SITE FOR FOOTING EXCAVATION AND TO VERIFY <br />SOIL CONDITIONS. <br />2. THE ENGINEER OR TESTING LAB SHALL CHECK FORMS AND STEEL TO VERIFY <br />CONFORMANCE TO THE DWGS BEFORE PLACEMENT OF CONCRETE. A <br />REPORT WILL BE SUBMITTED TO THE CITY ALONG WITH THE AS -BUILT <br />DWG SUBMITTALS. <br />3. THE TESTING LAB SHALL BE ON SITE AT THE TIME OF CONCRET PLACEMENT. <br />THREE TO FOUR CYLINDERS PER TRUCK WILL BE TAKEN AND SHALL REMAIN <br />ON SITE IN ACCORDANCE WITH THE UBC. ONE SLUMP TEST PER TRUCK <br />WILL BE TAKEN. ALL REPORTS AND TESTS WILL BE SUBMITTED TO THE <br />CITY ALONG WITH THE AS -BUILT DWG SUBMITTALS. <br />4. EITHER THE SOILS ENGINEER OR TESTING AGENCY SHALL BE ON SITE AT <br />THE TIME OF BACKFILL TO PROVIDE COMMENTS AND INSPECTION TESTS. <br />ALL TESTS WILL BE SUBMITTED TO THE CITY ALONG WITH THE AS -BUILT <br />DWG SUBMITTALS. <br />FINISHED GRADE <br />1 <br />BOTTOM OF CONC DECK-512.70 <br />fA-',.12 OUTLET PIPE <br />=501.70 <br />&—C <br />TYP <br />��\\ TOP OF CONCRETE DECK 1 <br />(9 <br />GRATES AT FG SURFACE LOW <br />POINTS INTO VAULT (TYP) <br />9 <br />8 <br />2 <br />- <br />7 <br />511.70 RISE <br />7 <br />106.00' CLR <br />LEVATION <br />7 <br />7 <br />30.95' <br />5%MIN <br />DETENTION VAULT 1 <br />SECTION B <br />SCALE: 1"--M'HORZ <br />1'=2' VERT <br />18" INLET PIP 6 <br />Z7 <br />TYP <br />RECORD DRAWINGS <br />DATE: 10-31-2024 <br />®Rr <br />DAVID EVAN <br />ANDASSOCI ATE:S <br />INC. <br />1620 W. Marine View Drive <br />Suite 200 <br />Everett, WA 98201 <br />425.259.4099 <br />x <br />LU <br />Z <br />LU U) <br />U (� <br />J Z <br />g� <br />U <br />LU Q <br />20 <br />0x <br />OO <br />U U <br />aLU <br />a <br />LU <br />V) <br />V! <br />J <br />F <br />W <br />W <br />W <br />W <br />W <br />W <br />LL <br />O <br />F <br />.i <br />RECORD <br />DRAWINGS <br />CHECKED BY: JNS <br />DESIGNED BY: AC <br />DRAWN BY: VM <br />FIRST SUBMITTAL DATE: 10/31/20241 <br />PROJECT NO. <br />281200000004 <br />SHEET NO. <br />C9.0 <br />